Class 10 Science Chapter 5 Life Processes: Nutrition Concept Clarity MCQs with Answers

 Practice these 10 Concepts Clarity MCQs to strengthen your understanding of Chapter 1. These questions are designed according to the CBSE syllabus.

Concept Clarity MCQs

Q1. Which of the following is a heterotrophic organism?

a) Cyanobacteria (b) Fungi (c) Plants (d) None of these 

Q2. What is the end product of photosynthesis except glucose?

a) Oxygen (b) water (c) both a and b (d) none of these 

Q3. Through which of the following does gaseous exchange not occur?

a) stems (b) roots (c) leaves (d) none of these 

Q4. In which form do plants absorb nitrogen from soil?

a) Nitrogen gas (b) Nitrogen dioxide (c) inorganic nitrates or nitrites (d) none of these  

Q5. Which of the following organisms breaks down food outside the body and then absorbs it?

a) Mushroom (b) Cuscuta (c) Leeches (d) None of these 

Q6. Where does digestion begin in the human alimentary canal?

a) Small intestine (b) Stomach (c) Pancreas (d) Mouth

Q7. Which of the following is digested by salivary amylase?

a) Protein (b) Starch (c) Fat (d) All of these  

Q8. What is the function of HCl in our stomach?

a) To kill micro-organisms (b) To activate pepsin (c) Both a and b (d) none of these 

Q9. Which is the longest part of the human alimentary canal?

a) Large intestine (b) Small intestine (c) Liver (d) Oesophagus

Q10. Pancreatic enzymes function effectively in which of the following media?

a) Neutral (b) Acidic (c) Alkaline (d) All of these 

🧠 TopperGuru1 Concept Check

Before checking the answer key, ask yourself these two questions for every MCQ:

✅ Why is the correct option right?

✅ Why are the other three options wrong?

If you can explain both, your concept is truly clear. If not, revise the related NCERT concept and try again.

Remember: Real learning happens when you understand the reason, not when you memorize the answer.

Answer Key: 

1. (b) | 2. (c) | 3. (d) | 4. (c) | 5. (a) | 6. (d) | 7. (b) | 8. (c) | 9. (b) | 10. (c)